Introduction

Voice over IP (VoIP) technology is quickly becoming a popular mode of voice communication, but choosing the right VoIP vendor requires understanding how voice technology has evolved to address current business needs. Modern Internet Protocol (IP) standards support combining voice -- traditionally delivered via time-division multiplexing (TDM) telephony -- with Web-based data streams. VoIP technology can help boost productivity and provides a point of entry for businesses that want to upgrade their legacy telephony systems to more versatile IP communications services.

This guide will walk you through the process of buying VoIP, exploring how VoIP evolved for the enterprise and what benefits it can provide for your business. The guide also looks at which features to consider when choosing a VoIP vendor, and finally compares the top VoIP vendors in the market, accompanied by product overviews.

1What is?-

The evolution of VoIP for the enterprise

Voice over IP evolved out of a need to combine low-cost, Web-based data streams with closed-circuit TDM telephony.

Migrating from standard telephony to VoIP can be beneficial. In this article, telephony expert Jon Arnold examines three common VoIP use cases. Continue Reading

3How to buy-

Criteria to consider when choosing a VoIP vendor

Buying VoIP products requires careful consideration of a number of factors. VoIP vendors should be evaluated primarily by the following criteria: ease of use, definition of scope, existing network infrastructure and the possibility of future upgrades.

The NEC VoIP offerings include the extensive Univerge series and a wide range of compatible IP telephones to accommodate organizations of varying sizes. Continue Reading

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